CVE-2020-1722

MEDIUM

freeipa 4.0.0-4.8.0 - Denial of Service via Long Password Hashing

Title source: llm
STIX 2.1

Description

A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.

References (1)

Core 1
Core References
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722

Scores

CVSS v3 5.3
EPSS 0.0037
EPSS Percentile 58.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (4)
freeipa/freeipa 4.0.0 - 4.8.0
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
Published Apr 27, 2020
Tracked Since Feb 18, 2026